Comparison of activity level in daily life with heart rate: Application to elderly persons of different ambulatory abilities

Noda, Mihoko; Saito, Kumiko; Nishizawa, Yuichiro; Tsushima, Eiki; Kida, Kazuyuki; Sakano, Shoji; Asahi, Shigeki; Mita, Reizo

doi:10.1007/bf02898013

Cited by 3 publications

(1 citation statement)

References 25 publications

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“…Five-day minute-by-minute activity records were used to assess PA levels as described previously [ 5 , 22 ]. Participants used a form specially designed to facilitate diary maintenance to record each activity minute-by-minute.…”

Section: Methodsmentioning

confidence: 99%

Decline in objective physical activity over a 10-year period in a Japanese elementary school

Itoi

Yamada

Nakae

et al. 2015

J Physiol Anthropol

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BackgroundThe purpose of this study was to examine the change in accelerometer-derived daily physical activity (PA) and activity record-derived daily activities over a 10-year period in urban elementary schoolchildren in Japan.MethodsA total of 233 sixth-grade children (11–12 years old) in a same elementary school in Kyoto participated in the study (n = 125 and 108 in 1999 and 2009, respectively). The participant rate is 91.9 and 98.2 % in 1999 and 2009, respectively. The size and shape of the school district was not changed. The children were instructed to wear an accelerometer for 5 consecutive days of weekday and to keep minute-by-minute 24-h activity records with the assistance of their parents. The school-day scheduling was similar between 1999 and 2009 (29 and 27 sessions of 45-min class per week, respectively).ResultsFrom 1999 to 2009, step counts considerably decreased (20,832 vs. 12,237 steps per day in boys and 16,087 vs. 10,748 steps per day in girls; P < 0.001) with concomitant significant decreases in total energy expenditure (P = 0.011), activity energy expenditure (P < 0.001), and physical activity level (P < 0.001). Time spent playing outdoors and walking to school were also significantly less in 2009 than 1999 (P < 0.001). Accelerometer-measured PA was significantly associated with the amount of time spent playing outdoors and walking to school.ConclusionsThese results indicate that elementary schoolchildren in 2009 spend less time playing outdoors and walking to school, perform less PA, and take fewer steps than children of a decade ago.

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Section: Methodsmentioning

confidence: 99%

Decline in objective physical activity over a 10-year period in a Japanese elementary school

Itoi

Yamada

Nakae

et al. 2015

J Physiol Anthropol

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Physical activity, energy intake, and obesity prevalence among urban and rural schoolchildren aged 11–12 years in Japan

Itoi

Yamada

Watanabe

et al. 2012

Appl. Physiol. Nutr. Metab.

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The prevalence of childhood overweight and obesity has been shown to differ among regions, including rural-urban regional differences within nations. This study obtained simultaneous accelerometry-derived physical activity, 24 h activity, and food records to clarify the potential contributing factors to rural-urban differences in childhood overweight and obesity in Japan. Sixth-grade children (n = 227, 11-12 years old) from two urban elementary schools in Kyoto and four rural elementary schools in Tohoku participated in the study. The children were instructed to wear a pedometer that included a uniaxial accelerometer and, assisted by their parents, keep minute-by-minute 24 h activity and food records. For 12 children, the total energy expenditure was measured by the doubly labeled water method that was used to correct the Lifecorder-predicted activity energy expenditure and physical activity level. The overweight and obesity prevalence was significantly higher in rural than in urban children. The number of steps per day, activity energy expenditure, physical activity level, and duration of walking to school were significantly lower in rural than in urban children. In contrast, the reported energy intake did not differ significantly between the regions. The physical activity and duration of the walk to school were significantly correlated with body mass index. Rural children had a higher prevalence of overweight and obesity, and this may be at least partly caused by lower physical activity, especially less time spent walking to school, than urban children.

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Time trend changes in the amount and type of physical activities over a 20-year period in urban elementary school sixth-graders

2022

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The purpose of this study was to examine time trend changes in the amount and type of physical activities obtained by an accelerometer and an activity record over a 20-year period in urban elementary schoolchildren. A total of 388 sixth-grade children (11-12 years old) in an elementary school in Kyoto participated in the study (n = 125 in 1999, 108 in 2009, and 155 in 2017/2018). The size and shape of the school district did not change. The school schedule was nearly the same in 1999, 2009, and 2017/2018. The children were instructed to wear an accelerometer for 5 consecutive weekdays and to keep minute-by-minute activity records with the assistance of their parents. The percentage of overweight/obese children increased with time, but the increases were not significant. The step count per day, activity energy expenditure, and physical activity level were significantly lower than they were 20 years ago, and they were significantly higher than they were 10 years ago. The time spent playing outdoors was significantly shorter than it was 20 years ago, and while it was significantly longer than it was 10 years ago. Independently from year, the time spent playing outdoors was strongly correlated with accelerometer-derived physical activity. The time spent walking to school, sleeping, studying in girls was correlated with accelerometer-derived physical activity. The factor of activity pattern related to secular changes of accelerometer-derived physical activity over the 20-year period is the time spent walking to school, sleeping in boys and the time spent club activity in girls.

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Comparison of activity level in daily life with heart rate: Application to elderly persons of different ambulatory abilities

Cited by 3 publications

References 25 publications

Decline in objective physical activity over a 10-year period in a Japanese elementary school

Decline in objective physical activity over a 10-year period in a Japanese elementary school

Physical activity, energy intake, and obesity prevalence among urban and rural schoolchildren aged 11–12 years in Japan

Time trend changes in the amount and type of physical activities over a 20-year period in urban elementary school sixth-graders

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